Power Tank NIT-0400 Nitrogen Shock Filling Kit Nitrogen Shock Filler Kit, 72 cu. in. HPA aluminum bottle, 400 PSI max pressure Sidearm regulator, bottle filler kit, SIG-5600 Shock Inflator, Power Wrench, Hard case, fitted foam inserts Heavy ABS case to keep parts organized and clean 72 cu. in. HPA aluminum bottle 400 PSI max pressure Sidearm regulator Bottle filler kit, SIG-5600 Shock Inflator, Power Wrench